#include<stdio.h>
typedef struct vect2
{
    float x;
    float y;
}vect2;


int main(void)
{
    vect2 ve1;
    vect2 ve2;
    vect2 ve3;
    scanf("%f %f %f %f",&ve1.x,&ve1.y,&ve2.x,&ve2.y);

    ve3.x = ve1.x - ve2.x;
    ve3.y = ve1.y - ve2.y;

    printf("(%.1f, %.1f)",ve3.x,ve3.y);
}